Home / 857,043.92-1,182,732.60-469,895.84

Finding the Fourth Proportional to 857,043.92, 1,182,732.60 and 469,895.84

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Solution

The fourth proportional to 857,043.92, 1,182,732.60 and 469,895.84 is: 648,462.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    857,043.92 : 1,182,732.60 = 469,895.84 : x
  2. Step 2: Convert to fraction form
    857,043.92/1,182,732.60 = 469,895.84/x
  3. Step 3: Cross multiply
    857,043.92x = 1,182,732.60 × 469,895.84
  4. Step 4: Simplify right side
    857,043.92x = 555,761,128,572.38
  5. Step 5: Solve for x
    x = 555,761,128,572.38/857,043.92
  6. Step 6: Final answer
    x = 648,462.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.